| FAULTSTAT(8) | System Manager's Manual | FAULTSTAT(8) |
NAME¶
faultstat - report page faults
SYNOPSIS¶
faultstat [options] [delay [count]]
DESCRIPTION¶
faultstat reports the major and minor page fault activity of processes.
If a delay and count are not specified, a snapshot of the current page fault activity is displayed.
If a delay in seconds is specified, faultstat will periodically show any per-process page fault changes. This will run indefinitely until a SIGINT is caught. Specifying count will repeat the periodic output count number of times.
OPTIONS¶
faultstat options are as follow:
- -a
- show page fault size changes with up arrow ↑ when they increment
- -c
- get command information from processes comm field
- -d
- strip directory basename off command information
- -h
- show help
- -l
- show long (full) command information
- -p proclist
- specify a comma separated list of processes to monitor; the process list may contain one or more PIDs or process names
- -s
- show short command information
- -t
- top mode, show top page faulting processes by current page fault changes
- -T
- top mode, show top page faulting processes by total page faults
Hot keys in top mode:
| Key | Operation |
| a | Toggle page fault change arrow on or off |
| s | Switch sorting order: Major and Minor, Major, Minor, +Major and +Minor, +Major, +Minor, Swap |
| t | Toggle between total page fault count and page fault changes |
| q or Esc | Quit |
SEE ALSO¶
cpustat(8), eventstat(8), forkstat(8), smemstat(8), top(1), vmstat(8)
AUTHOR¶
faultstat was written by Colin King <colin.king@canonical.com>
This manual page was written by Colin King <colin.king@canonical.com>, for the Ubuntu project (but may be used by others).
COPYRIGHT¶
Copyright © 2014-2021 Canonical Ltd.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
| May 11, 2019 |